Filtering the appropriate amount of daylight assures that everyone using the space will enjoy the benefits that come with daily exposure to the sun. As daylight floods unfiltered through the windows in the vaulted main room of Grand Central Terminal (NYC), it’s easy to see how overwhelming the sun can be. Using sunlight in this manner was…

As more people become aware of the many positive effects of sunlight on the body and mind, the demand for “healthy” buildings will continue to increase. Just about every company that makes glazed structures has read at least one study about how important it is to be exposed to natural daylight. But you might be…

Even though we all know better now, there are still a number of home and work environments that exist without the benefit of daylight. On February 13, 1903 there were 101,277 absolutely windowless rooms in New York. This fact is from an article written in “The Technical World Magazine” by Bailey Millard in October 1910. …